During the presentation I mentioned the requirement to provide a Lithium Battery Test Summary upon request. That requirement started as an international standard and became mandatory in the US as of January 1, 2022 and is a good resource to assist in verifying the legitimacy of lithium battery shipments, but is not required to be provided when offering shipments. More information can be found at:
Also, one of the topics requested by your group was information about postal shipments, about which I really could not provide detailed information other than that USPS has authority and FAA does coordinate with them wherever possible. Fortunately, IATA conducted a webinar back on April 13, 2022 and has posted the recording along with all of the presentations at:
Vinny Desiderio, Hazardous Materials Program Specialist, U.S. Postal Inspection Service-Security Group was one of the presenters and is the best resource for any information your group might need. His presentation appears on pages 15-35 of the posted presentation. His contact information is included on the last slide.